247004559

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{98369}}^1$

素因数の和:98412

約数の個数: 20

約数和(自身を含む): 380888640

約数和(自身を除く): 133884081

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 98369, 295107, 885321, 2655963, 3049439, 7967889, 9148317, 27444951, 82334853, 247004559]

約数ペア:

[(1, 247004559), (3, 82334853), (9, 27444951), (27, 9148317), (31, 7967889), (81, 3049439), (93, 2655963), (279, 885321), (837, 295107), (2511, 98369)]